钻井油气层测试器是由液压动力短节、双packer短节、反向注入短节、数字泵抽短节、传感器短节和取样筒短节组成的。
Formation center tester (FCT) is made up of hydraulic power joint, double PACKER joint, opposing infuse joint, numeric pump exhausting joint, sensor joint and sampling tube joint.
反向极性保护防止了一对电源电压极性反转传感器的破坏。
The reverse polarity protection prevents destruction of the sensor by a reversal of the polarity of the voltage supply.
另一个优势是全球电子开关具有反向极性保护,以防止错接传感器损坏。
Another advantage the Global electronic switches possess is reverse polarity protection to prevent damage from miswiring the sensors.
另一个优势是全球电子开关具有反向极性保护,以防止错接传感器损坏。
Another advantage the Global electronic switches possess is reverse polarity protection to prevent damage from miswiring the sensors.
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